Papua New Guinea, Australia's nearest neighbour, shares the island of New Guinea with Indonesia.
Australia
Indonesia
Australia is an island continent, completely surrounded by water. Its nearest neighbours are Papua New Guinea to the north, New Zealand to the southeast, and Indonesia to the northwest.
Indonesia
Australia's nearest countries are Papua New Guinea, Indonesia and New Zealand.
There is no island nation of Australia, as Australia is a continent. Island nations of Asia which are close to Australia include Indonesia and Papua New Guinea.
Papa New Guinea, Indonesia, Philippines
There are numerous islands near Australia which are part of Australian territory.The nearest large island to Australia, which is not part of Australia, is New Guinea.
There are many more than two islands close to Australia. The nearest large island is New Guinea to the north, while to the southeast is the island country of New Zealand, made up of two main island, the North Island and the South Island, as well as numerous other islands. Australia's own island state of Tasmania lies south of the eastern seaboard. Two smaller islands to the east are Lord Howe and Norfolk Island, while Rottnest lies west of Perth. Off the South Australian coast can be found Kangaroo Island.
mostly china and Australia
Indonesia is the closest country that located to the west of Australia. Timor Leste is also an island that is located directly to the west.